33751142 has 8 divisors (see below), whose sum is σ = 51582096. Its totient is φ = 16557112.

The previous prime is 33751129. The next prime is 33751147. The reversal of 33751142 is 24115733.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×33751142² = 2278279172608328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33751147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159098 + ... + 159309.

It is an arithmetic number, because the mean of its divisors is an integer number (6447762).

Almost surely, 2^33751142 is an apocalyptic number.

33751142 is a deficient number, since it is larger than the sum of its proper divisors (17830954).

33751142 is a wasteful number, since it uses less digits than its factorization.

33751142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318462.

The product of its digits is 2520, while the sum is 26.

The square root of 33751142 is about 5809.5733061904. The cubic root of 33751142 is about 323.1688484480.

Adding to 33751142 its reverse (24115733), we get a palindrome (57866875).

The spelling of 33751142 in words is "thirty-three million, seven hundred fifty-one thousand, one hundred forty-two".